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WP_Query::is_preview()

Is the query for a post or page preview?

Return

(bool) Whether the query is for a post or page preview.

Source

File: wp-includes/class-wp-query.php

public function is_preview() {
		return (bool) $this->is_preview;
	}

Changelog

Version Description
3.1.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_query/is_preview